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This activity (located on page 3 of the PDF under GPS: Cave Swallows Activity) is a full inquiry investigation into bird behaviors.

This activity (located on page 3 of the PDF) is a full inquiry investigation into bird behaviors.

In this quick and easy activity, learners build an air cannon "drum" and see what happens when they "shoot" puffs of air at different targets.

In this activity, learners construct a small "air cannon," and use its airflow to put out a candle (lit with the help of an adult).